Perrone, Marcelo
Current rating: 1450
Record: 5-8-1
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 287 | Capela Alvares Marques, Kaue (1518) | Won 2-0 | +181537 |
| 3modern | 103 | Alcalde, Juan Pablo (1646) | Lost 0-2 | -161521 |
| 4modern | 220 | Vieira Da Silva, Diogo (1517) | Lost 0-2 | -181503 |
| 5modern | 355 | Marcal De Barros Costa, Alexandre (1516) | Lost 0-2 | -181485 |
| 6modern | 393 | Almeida, Thiago (1484) | Lost 0-2 | -181467 |
| 7modern | 386 | Mezzomo De Souza, Rafael (1535) | Lost 0-2 | -171450 |
| average opponent: 1536record: 1-5 | new rating: 1450 | |||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 333 | De Carvalho Barbosa, Victor (1500) | Draw 1-1 | 01500 |
| 2modern | 371 | Del Re, Gabriel (1502) | Won 2-1 | +181518 |
| 3modern | 261 | Kieling Neto, Clinton Rogerio (1519) | Lost 0-2 | -181500 |
| 4modern | 432 | Giacomini Kiefer, Giuseppe (1500) | Lost 0-2 | -181482 |
| 5modern | 525 | Santos, Diego (1417) | Won 2-1 | +171499 |
| 6modern | 389 | Oliveira, Sergio (1457) | Won 2-0 | +171516 |
| 7modern | 277 | Rodrigues Licere, Fabio (1523) | Won 2-1 | +181534 |
| 8modern | 184 | Moreno, Bruno Cezar (1695) | Lost 1-2 | -151519 |
| average opponent: 1514record: 4-3-1 | new rating: 1519 | |||